Vol. 23 (Suppl 2) 2002 Neuro endocrinology letters

Potential biological consequences of excessive light exposure: melatonin suppression, DNA damage, cancer and neurodegenerative diseases.

: This brief review summarizes some of the biological effects of light exposure at an inappropriate time (during the normal dark period) and the potential negative physiological consequences of this light exposure. Two major systems are significantly influenced by light at night. Thus, the circadian system and melatonin synthesis are al.....